N,N'-Dinitrosopentamethylenetetramine, commonly known as DPT and identified by its CAS No. 101-25-7, stands as a crucial chemical foaming agent in the polymer and rubber industries. This versatile compound is meticulously engineered to facilitate the creation of high-quality sponge-type products, offering significant advantages in manufacturing processes and final product performance.

DPT typically presents as a slightly yellow or light cream colored powder, ensuring consistent and easy integration into various formulations. Its high purity, with an assay of ≥98.0%, guarantees reliable performance and predictable results in industrial applications. The molecular formula of DPT is C5H10N6O2, with a molecular weight of 186.17. Key physical properties include an estimated density of 1.4132, a boiling point around 320.65°C, and a melt point of 207°C. Its water solubility is approximately 9.901g/L, which is relevant for handling and dispersion.

The primary application of N,N'-Dinitrosopentamethylenetetramine lies in its ability to generate gas during processing, leading to the formation of cellular structures within materials. This makes it indispensable for foaming natural rubber, synthetic rubber, and various plastic products. By introducing controlled porosity, DPT enables manufacturers to produce lightweight materials with enhanced properties. For instance, in the automotive sector, foaming agents contribute to weight reduction in components, directly impacting fuel efficiency. In consumer goods, they can improve tactile feel and insulation properties.

Chemical foaming agents like DPT offer several industrial benefits. They are highly effective in achieving substantial reductions in plastic part weight, sometimes up to 20%, which is critical for density-sensitive applications. Furthermore, DPT plays a vital role in the elimination of surface defects such as sink marks on injection molded parts. Sink marks are shallow depressions caused by excessive shrinkage in thicker sections of a part. The internal pressure generated by the foaming agent as it expands counteracts this shrinkage, leading to a much smoother and more aesthetically pleasing surface finish. This also contributes to improved cycle times in molding processes, optimizing production efficiency.

Foaming agents are broadly categorized into endothermic and exothermic types. DPT is typically an exothermic foaming agent, releasing heat during decomposition and primarily producing nitrogen gas. The careful selection of the proper foaming agent masterbatch is crucial, ensuring it activates and foams at temperatures compatible with the host polymer while maintaining excellent material compatibility to prevent issues like blistering or delamination in the final product. The goal is often to achieve small, uniform cell structures for optimal part properties and appearance.

For manufacturers looking to enhance their rubber and plastic products, N,N'-Dinitrosopentamethylenetetramine (CAS 101-25-7) offers a reliable solution. This high-performance chemical foaming agent is packed and shipped customized to meet specific customer needs, ensuring optimal product integrity upon arrival. Proper storage is paramount to maintain its quality: it should be kept in a clean, dry, and cool place, shielded from direct sunlight and rain. As a leading manufacturer and supplier, NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to providing high-quality DPT. To inquire about the current price, or to buy/purchase this essential foaming agent, please contact our sales team directly for detailed information and support.